DE1903479U - HEIGHT-ADJUSTABLE MANHOLE COVER. - Google Patents

Description

Dr. Werner Koch

Dr. Richard Glawe P Λ I ₁ 7 7 Q 0 / * C 7 C /

DipL-lng. Klaus Delfs Γ. A. <f / / 9 H <t * "6. 7. 6 ^ Patent attorneys

A 93 Psssavant-Werke, Michelbaeher Had

Height-adjustable Sehachtabdeelmag

The invention relates to a shaft höhemrerstellbare = cover, wherein the Eahmen of the manhole cover against the shaft upper part = about liftable bsw _a lowered isto

In known manhole covers of this type an annular skirt around the frame of the manhole cover ago is = which is arranged around _g on the SCH eight shell auflieget bzwo a part of the shaft upper part is _o Compared with this Ringsohürz © is then the manhole cover can be raised BAW ₀ absenkbaro It thereby required ^ the Schachtabdek "effect with suitable material to be backed and after completion firmly untermauerno the backing is Sweats © = rig υ because the space between the shaft top and frame *" is open to one another and the corresponding material ZCT ₃ liegtο free the final support is very cumbersome and prevents, for example, a later lifting or lowering that is required as a result of road repairs o These disadvantages are thereby according to the invention

«TK * J" * = -1

j that the SöiiaeiLtobert © il in a radial · '© Inen TT ^ -shaped cross-section -nod the' SalmexL of the Sc & kcfetaMBCkuBg smschen the singing walls thus formed iafcgsord.net is _s mid that in the .BäW- ^: between the a "bringing about a ho &envorstellmjg"! i -'ins "b © special sand. ·, einbrirjgbaf is« Biirch. ä & n

f eternit η Queradbsii & sird the sur A "bstütBimg des Haimens""" required material in all directions "" ■ gelJÄl »= teUj'so dsJ ^ it only needed to be brought into" the eatspreohemdön tree "in" herd ". An underpinning is generally required ^ © s kana \ "ielmelar θ" 1β material, such as i especially Saad are used ^ the srpates * can be harvested or refilledea icasiic Ss is also, oMe. special Maßnaianen ensures that - the ■ Scl kung exactly waagörecJit su.liegen & οιώμ1ι ₅ cla-n 3iö any irregularities in the charged material under the pressure of the shaft it uppers ansgle-iehön ^

It is particularly advantageous to use the gwei ssnlo? Ee-] 2t & ₅ . in particular to form guSeiseme Hingwänae »According to the invention, these vertical elite P.ixjgwändo with © in © ® av £ dem Soiiaclruc> bs3? part atifflyöea ringfösasigsn Bödea ·» part sines nsolx o "b © a offos.oa Bs- J-iäXtos ¹ & 11ά © η ₃ In this kema then Sasm o ^ dglc. Eingsfüirit werclasu 'inid

can be cut in from the frame, the manhole cover, you can first put a layer of concrete on the bottom of the tank and then remove the manhole to compensate for any differences in height that arise later on Refill material ₀ If this is expected; _s is required wi '£ & _$ ¹ that late lowering the manhole cover so however it is recommended that _s sand at least as far to fill j that later Abssnken of Schachtobertei · ». les is possible to the desired extent _Q

According to the invention, one can furthermore at least • siness, preferably the outer one of the _f seiik :rechtan eingwaB.de with elongated holesa. fixed for particular two to the frame of the manhole cover © bolts provided * By this © \ 5 in the slots when adjusting the height of the manhole cover led bolt, an additional assurance be effected "Di © bolts can DTÖ it? ch SplintOj grooved pins Oodglo be secured _o

Finally, in order to avoid frost damage or the like, one can _o Make drainage holes at the lower end of the ring container «,

The amount of height adjustment in the present 3? Al «Ie depends exclusively on the height of the vertical. Riagwänd © abc. Since normally "large differences in height should not be expected _{for road repairs" 9} "the vertical ring walls do not need to be too high either so then the possibility is be _9, the manhole cover to a great extent to raise or ₀ absusenk © n ₀

In the drawings are Äusführungsformen the device according to the invention is shown, for example, _ö

Figo 1 is a vertical section through a manhole cover with a first embodiment of the Ex-invention§

Figure 2 _e is a vertical section aürcß part &<sr manhole cover with © ine.? second execution form of the BEfi

On the upper part 1 of the shaft is a cast iron _t . RiaglTörmigex ¹ part 2 applied _{s of} the with two vertical Riagwände '3 uiid A ¹ - an upwardly open ar-ins;

Shaped container forms ο The 5 of the shaft cover 6 is inserted in this container ₀

At the bottom of tfingJTörinigen BeMlterSg so Doho between! Frame 5 and Sohachtoberfeeil 1 bzwo the annular part 2 ₈ is a © layer 7 of a support material vorgese · * hen _o Preferably, this layer of sand _a si © but can also, in its lower! Part from a concrete layer and darübep stored sand o _{o o} like exist ₀

At the lower end of the walls 3 or ₀ 4 there are drainage holes 8 _S 9. This avoids frost damage to the ring-shaped container ^.

If © twa is required by the roadside repair raising the manhole cover 6 _s are because the roads = surface is higher than it used to be au ^ so can the manhole cover 6 to the frame 5 from the container ago except _"*? and there may be an additional amount © aa sand o _e ο the like are introduced into the container · _s Subsequently = "the manhole cover is then reinserted ßend and is now in accordance with the amount of introduced material is higher than

To provide additional assurance su ^ can Hing walls 3 or _a 4 LanglöcherB. 10§ 11 be provided ^ slide in the bolts 12 köimeiio In particular, two bolts are provided? Of course, you can also use a corresponding number of such bolts and slotted bolts. The bolts can have a head 13 at one end and be held in place by a cotter pin 14 at the other end

You can see 3 _¥ 4 LanglöGher in both side winds _f as shown for example in Figo 2-1 but you can also according to Fig ₀ 1 Langlöeher only preferably provided on the outer ring wall 3 In this latter case there is the possibility for a © height adjustment less than in the case mentioned below *

"In any case, the sight cover offers a very simple and convenient option according to the invention, since it is only necessary to have sand osdglej a _o h _o that is ice material; whatever is already available in every place ₅ in the intended ri shaped BeMlter © inzufülien _e A Ausmauers. required

Claims (1)

- 7 "
Longs ζ anspx-üche Height-adjustable manhole cover, in which the manhole cover can be raised or lowered compared to the Schaehtofeteil ₃ thereby g & Tzejmze lehnet _s . that the upper part of the manhole has a U-shaped cross-section in the radial direction? and the frame of the Schachtabdeokung swischea the thereby formed. EiagwäiadeB. is arranged? and that in the seam between the Hingwäaden a height adjustment effecting material "in particular sand" can be introduced _{or the like} Manhole cover according to claim 1 _S characterized in that the misshapen cross-section of the upper part of the shell is made of two vertical, especially cast iron. Rjjög walls is formed ₀ 3ο Schachtabdeekung according to ^ is claim 2 ₅ dadiareh marked "net j that the vertical hanging walls with a ring-shaped bottom part that flies off the upper part of the manhole form a container that is open at the top", 4-O. Shaft cover naoii claims 1 to 3, characterized in that at least one © _{3 as a} precaution has the outer, the vertical hanging walls Lfmglöölier tikr ijas · = »special two bolts attached to the Salisen of the shaft cover Manhole cover after. Claims 1 "to 4 _f characterized gs <= denotes j that SiefesrlÖchei * are provided at the lower end of the annular container